The wright brothers named their first powered aircraft the wright flyer. In its first flight, the wright flyer flew 37 meters. In its last flight, the wright flyer flew 223 meters farther than in its first one. How many meters short of a kilometer was the wright flyers last flight?

Answers

Answer 1

Answer: 777 Meters

Step-by-step explanation:asa


Related Questions

solve each equation using any method. Round your answer to the nearest hundredth if necessary. If the equation has no real solutions, write “no real solutions”.
m^2 +8m+16=0

Answers

The solution to the given quadratic equation, m² + 8m + 16 = 0, is m = -4

Solving Quadratic equations

From the question, we are to solve the given quadratic equation.

The given equation is

m² + 8m + 16 = 0

We are to solve the equation using any method of our choice.

Using the factorization method

m² + 8m + 16 = 0

m² + 4m + 4m + 16 = 0

m(m+ 4) + 4(m + 4) = 0

(m + 4)(m + 4) = 0

Thus,

m + 4 = 0 OR m + 4 = 0

m = -4 OR -4

Hence,

m = -4

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suppose that in the past, 94% of all hispanic grocery shoppers were women. perhaps due to changing cultural values, we believe that more hispanic men are now grocery shopping. we randomly sample 689 hispanic grocery shoppers from around the united states and 606 are women. does this result provide enough evidence to conclude that a lower proportion of hispanic grocery shoppers now are women? test at alpha

Answers

Therefore, we can conclude that the changing cultural values have resulted in more Hispanic men grocery shopping by  -3.81 percent.

To determine if a lower proportion of Hispanic grocery shoppers are women, we need to perform a hypothesis test using the given sample data.

Let p be the true proportion of Hispanic grocery shoppers who are women. The null hypothesis is that p = 0.94, while the alternative hypothesis is that p < 0.94. We will use a one-tailed test with a significance level of α = 0.05.

The test statistic is calculated as:

z = (x - np) / √(np(1-p))

where x is the number of women in the sample (606), n is the sample size (689), and p is the null hypothesis value (0.94).

z = (606 - 6890.94) / √(6890.94*0.06)

z = -3.81

The critical value for a one-tailed test with α = 0.05 and degrees of freedom of 688 is -1.645. Since the calculated z value of -3.81 is less than the critical value of -1.645, we reject the null hypothesis and conclude that there is sufficient evidence to suggest that a lower proportion of Hispanic grocery shoppers are women.

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If A is an mÃn matrix then ATA and AAT are both defined

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If A is an m×n matrix, then both ATA and AAT are defined.

If A is an m×n matrix, then both ATA and AAT are defined.

The matrix ATA is the product of the transpose of A and A itself. It is a square matrix of size n×n.

The matrix AAT is the product of A and the transpose of A. It is a square matrix of size m×m.

Both ATA and AAT are important and commonly used in linear algebra and statistics. The matrix ATA arises in the context of least squares regression, while AAT arises in the context of principal component analysis (PCA) and singular value decomposition (SVD).

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What is the probability of selecting a green golf ball put your answer in simplest form carter and a group of friends go miniature golfing. There is a basket of golf balls from which to choose. The basket contains 2 orange, 1 blue, 5 green, and 7 red gold balls

Answers

The correct answer is 2 orange

Theorem 9.6.1: When the origin is an asymptotically stable critical point. Conditions for asymptotically stability and stability

Answers

Theorem 9.6.1 states that when the origin is an asymptotically stable critical point, the system will approach the origin as t → ∞. In order for the origin to be asymptotically stable, the eigenvalues of the Jacobian matrix evaluated at the origin must have negative real parts.

This means that the system is stable and any small perturbation away from the origin will eventually decay and return to the origin.

To determine stability, we can use the Routh-Hurwitz stability criterion or examine the signs of the eigenvalues of the Jacobian matrix. If all eigenvalues have negative real parts, the system is asymptotically stable.

If some eigenvalues have zero real parts, we need to further analyze the system to determine stability.

Overall, in order for the origin to be asymptotically stable, the system must satisfy certain conditions that ensure stability and decay towards the origin over time.

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Need answer for algebra it’s on rational functions

Answers

Answer:

C

Step-by-step explanation:

the denominator of f(x) cannot be zero as this would make f(x) undefined.

Equating the denominator to zero and solving gives the value that x cannot be and if the numerator is non zero for this value then it is a vertical asymptote.

2x + 6 = 0 ( subtract 6 from both sides )

2x = - 6 ( divide both sides by 2 )

x = - 3

Thus x = - 3 is a vertical asymptote of f(x)

12 men or 15women can do apeice of work in 24days in how many days same work done by 8men Or 8women

Answers

If 8 men and 8 women collaborate, the task can be finished in 36 days for the former and 45 days for the latter.

Using the following formula, we can determine the total quantity of work that needs to be done.

Total work equals (people) ×(time spent).

The first scenario is as follows:

Total work is equal to (288 man-days)= (12 men x 24 days)

Total work is calculated as (15 women) x (24 days) = (360 woman-days).

Using the same approach, we can now determine how many days it would take eight people—either eight men or eight women—to do the same amount of work:

Eight men:

Total labor: (8 men)× (time required)

288 man-days = (8 men) × (time taken)

time taken = 36 days

Eight women:

total work = (8 women) × (time taken)

360 woman-days = (8 women) × (time taken)

time taken = 45 days

Thus, if 8 males collaborate, they can finish the job in 36 days, and if 8 women collaborate, they can finish the job in 45 days.

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If a population is experiencing exponential growth, what is the size of the NEXT generation of a population that is currently at 700 individuals and is growing at a rate of 1.4

Answers

To calculate the size of the next generation of a population undergoing exponential growth, we can use the following formula:

Nt = N0 * e^(rt)

where:
- Nt is the size of the population at some future time t
- N0 is the initial size of the population
- e is the mathematical constant approximately equal to 2.71828
- r is the growth rate of the population (expressed as a decimal)

Substituting the values given, we get:

Nt = 700 * e^(0.014)

Nt ≈ 710.4

Rounding to the nearest whole number, we get:

Nt ≈ 710

Therefore, the size of the next generation of this population is estimated to be approximately 710 individuals, assuming exponential growth at a rate of 1.4%.

Theorem 9.3.1: When is the critical point of the two-dimensional system x' = Ax asymptotically stable? Stable? Unstable?

Answers

The critical point of the two-dimensional system x' = Ax is asymptotically stable if all eigenvalues of matrix A have negative real parts, stable if all eigenvalues have non-positive real parts, and unstable if there exists at least one eigenvalue with a positive real part.

In a two-dimensional system described by x' = Ax, the stability of the critical point is determined by the eigenvalues of the matrix A. If all eigenvalues have negative real parts, the critical point is asymptotically stable, meaning the system will converge to the critical point as time goes to infinity.

If all eigenvalues have non-positive real parts (including zero), the critical point is stable, indicating that the system trajectories will remain bounded but may not necessarily converge to the critical point. Finally, if there exists at least one eigenvalue with a positive real part, the critical point is unstable, and the system trajectories will diverge away from the critical point over time.

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How do you solve any amount of whole numbers or variables raised a positive power? ex: (2x) raised to the 4th power OR (4 times x raised to the 2nd power) raised to the 4th power?

Answers

To solve any amount of whole numbers or variables raised to a positive power, you need to apply the power to each individual term within the parentheses and simplify as needed.

To solve any amount of whole numbers or variables raised to a positive power, you simply need to apply the power to each term within the parentheses. For example, (2x) raised to the 4th power would be solved by taking 2 to the 4th power (which is 16) and x to the 4th power (which is [tex]x^4[/tex]), and then multiplying these terms together: [tex]16x^4[/tex].

Similarly, (4 times x raised to the 2nd power) raised to the 4th power would first require you to solve the term within the parentheses, which is x raised to the 2nd power (or [tex]x^2[/tex]), multiplied by 4 (to get 4x^2). Then, you raise this entire term to the 4th power, which means you multiply it by itself 4 times: [tex](4x^2)^4 = 4^4 * (x^2)^4 = 256x^8[/tex].

So, in summary, to solve any amount of whole numbers or variables raised to a positive power, you need to apply the power to each individual term within the parentheses and simplify as needed.

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In Mrs. Hogan's kindergarten class, children make handprints in a round clay mold for their parents. The mold has a radius of 4 centimeters. What is the mold's area?

Answers

Answer:  A ≈ 201.06 cm²

Step-by-step explanation:

        We can use the given formula for a sphere's area to solve.

Given formula:

     A = 4πr²

Subsiute given radius:

     A = 4π(4 cm)²

Square:

     A = 4π(16 cm²)

Multiply:

     A = 201.0619298 cm²

Round:

     A ≈ 201.06 cm²

The area of a rectangle is 35 sq. ft. The length is 3 ft. less than twice the width. What are the dimensions of the rectangle

Answers

Answer:

length-7 width-5

Step-by-step explanation:

I used to guess and check so if you give a good guess you can get it in two attempts

An ordinary (fair) die is a cube with the 1 numbers through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the outcome of a single trial of a random experiment.
Compute the probability of each of the following events.
Event 1: The sum is greater than 8 .
Event 2: The sum is divisible by 2 .
Write your answers as fraction

Answers

The probability of Event 1 is 5/36 and the probability of Event 2 is 1/2.

What is the probability of each of the given events?

The probability of each of the given events is determined by comparing the outcomes of the rolling of two dies:

There are 6 * 6 = 36 possible outcomes

Event 1: The sum is greater than 8.

There are 5 outcomes where the sum is greater than 8.

P(Event 1) = 5/36

Event 2: The sum is divisible by 2.

There are 18 possible outcomes where the sum is divisible by 2.

The probability of this event will be:

P(Event 2) = 18/36

P(Event 2) = 1/2

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Which of the following is an appropriate null hypothesis for the company to test? A. The observed counts are all equal to 50 B. The observed counts are equal to the expected counts C. The proportion of people in the population who trust each brand is the same for all five brands D. For at least one of the brands, the proportion of people in the population who trust this brand most is different from the other four proportions 8.

Answers

The appropriate null hypothesis for the company to test depends on the specific study or experiment being conducted.

However, in the given options, option C is the appropriate null hypothesis for the company to test. This hypothesis states that the proportion of people in the population who trust each brand is the same for all five brands. This hypothesis can be tested using statistical methods to determine if there is a significant difference in trust levels between the five brands. Options A and B are not appropriate null hypotheses as they do not make a specific statement about the relationship between the variables being studied. Option D is an alternative hypothesis, which suggests that there is a difference in trust levels between at least one of the brands and the other four.

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You deposit $6000 in a savings account that earns 4.5% annual interest compounded mon
a. Write a functions that represents the balance (in dollars) of your savings account after t years.

b. What is the balance of the account after 6 years to the nearest cent?

Answers

a. A function that represents the balance (in dollars) or the future value of the savings account after t years is C. s(t) = 6,000(1 + 0.045/12)^12t.

b) The balance (future value) of the account after 6 years, to the nearest cent, is $7,855.82.

How the future value is computed?

The future value can be computed using the FV formula or function below:

s(t) = 6,000(1 + 0.045/12)^12t

s(t) = 6,000(1 + 0.045/12)^12(6)

= $7,855.8186

= $7,855.82

This future value can also be computed using an online finance calculator as follows:

N (# of periods) = 72 months (6 years x 12)

I/Y (Interest per year) = 4.5%

PV (Present Value) = $6,000

PMT (Periodic Payment) = $0

Results:

Future Value (FV) = $7,855.82

Total Interest = $1,855.82

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match the list on the left with the possible number of times the binary search algorithm splits the list when searching for a term in the list.

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The possible number of times the binary search algorithm splits the list when searching for a term in the list varies depending on the length of the list and the position of the term within the list.

However, in general, the number of times the list is split during the binary search algorithm is proportional to the logarithm of the length of the list. So, for example, if the list has 8 items, the binary search algorithm may split the list up to 3 times (log base 2 of 8 is 3), while if the list has 1024 items, the binary search algorithm may split the list up to 10 times (log base 2 of 1024 is 10).

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Find and interpret the mean absolute deviation of the data. $8,12,4,3,14,1,9,13$The data values differ from the mean by an average of .

Answers

The data values differ from the mean by an average of 4

Finding and interpreting the mean absolute deviation

From the question, we have the following parameters that can be used in our computation:

8,12,4,3,14,1,9,13

The mean of the above data is

x = (8 + 12 + 4 + 3 + 14 + 1 + 9 + 13)/8

Evaluate

x = 8

The mean absolute deviation is calculated as

M = 1/n * sum of |data points - mean|

So, we have

M = (|8 - 8| + |12 - 8| + |4 - 8| + |3 - 8| + |14 - 8| + |1 - 8| + |9 - 8| + |13 - 8|)/8

Evaluate the absolute differences

M = (0 + 4 + 4 + 5 + 6 + 7 + 1  + 5)/8

So, we have

M = 4

Hence, the mean absolute deviation is 4

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Suppose A is a set with m elements and B is a set with n elements. a. How many binary relations are there from A to B? Explain. b. How many functions are there from A to B? Explain. c. What fraction of the binary relations from A to B arc functions?

Answers

This fraction gets smaller as m gets larger (holding n fixed), so a larger set A makes it less likely that a random binary relation from A to B will be a function.

a. To define a binary relation from A to B, we need to specify whether or not each ordered pair of elements in A and B is in the relation. Since there are m choices for the first element of each ordered pair, and n choices for the second element, there are a total of m × n possible ordered pairs. Therefore, there are 2^(mn) possible binary relations from A to B, since each ordered pair can either be in or not in the relation.

b. A function from A to B is a special kind of binary relation, where each element in A is paired with exactly one element in B. Therefore, to specify a function, we must choose an element of B for each of the m elements of A. For the first element of A, we have n choices, for the second element of A, we have n - 1 choices (since we cannot choose the same element as we did for the first element), and so on, until we get to the mth element of A, for which we have n - (m - 1) = n - m + 1 choices. Therefore, the total number of functions from A to B is given by:

n(n - 1)(n - 2) ... (n - m + 1) = n!/(n - m)!

c. Since a function is a binary relation where each element in A is paired with exactly one element in B, it follows that there are n possible choices for the second element of each ordered pair. Therefore, the fraction of binary relations that are functions is given by:

number of functions / total number of binary relations

= n!/(n - m)! / 2^(mn)

= n! / (n - m)! / (2^m)^n

= n! / (n - m)! / (2^m * n)^m

This fraction gets smaller as m gets larger (holding n fixed), so a larger set A makes it less likely that a random binary relation from A to B will be a function.

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in a study about vitamins, researchers found that most adults take a daily multivitamin. specifically, the study found that 7 out of 12 adults (or 58% of adults) take a multivitamin. a medical adviser is interested in studying this topic further. he would like to test the claim that the proportion of adults who take a daily multivitamin is more than 0.58 (the proportion from the previous study). he sets up the hypotheses as: null hypothesis: p

Answers

He would fail to reject the null hypothesis and conclude that there is not enough evidence to support the claim.

What is null hypothesis?

The null hypothesis is:

H0: p <= 0.58

The alternative hypothesis is:

Ha: p > 0.58

Where p represents the true proportion of adults who take a daily multivitamin.

The medical adviser could conduct a hypothesis test using a significance level (alpha) of 0.05. He would need to collect a sample of adults and determine the proportion who take a daily multivitamin. He could then calculate the test statistic, which in this case would be a one-sample z-test, using the following formula:

z = (p - p0) / sqrt(p0(1 - p0) / n)

Where p is the sample proportion, p0 is the hypothesized proportion under the null hypothesis, and n is the sample size.

If the test statistic falls in the rejection region (i.e. if the p-value is less than the significance level), the medical adviser would reject the null hypothesis and conclude that there is evidence to support the claim that the proportion of adults who take a daily multivitamin is more than 0.58. If the test statistic does not fall in the rejection region, he would fail to reject the null hypothesis and conclude that there is not enough evidence to support the claim.

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Based on the number of doctors at the hospital who obtained results as extreme or more extreme than the results from the study,  since 13 out of 20 samples have more than 7 adults who take a daily multivitamin, there is NOT evidence to suggest that the proportion of adults who take a multivitamin is more than 58%. the correct answer is b.

To determine whether there is evidence to suggest that more than 58% of adults take a daily multivitamin, we need to analyze the results from the 20 samples taken by the doctors.

The statement mentions that 13 out of the 20 samples have more than 7 adults who take a daily multivitamin. This means that in these 13 samples, the proportion of adults taking a multivitamin is higher than 7/12, which is equivalent to 58%.

To determine whether this difference is statistically significant, we typically perform a hypothesis test. The null hypothesis (H0) in this case is that the proportion of adults taking a multivitamin is 58% or less (p ≤ 0.58). The alternative hypothesis (Ha) is that the proportion is more than 58% (p > 0.58).

If the observed results are significantly different from what would be expected under the null hypothesis, we reject the null hypothesis and conclude that there is evidence to support the alternative hypothesis.

Since 13 out of 20 samples have more than 7 adults who take a daily multivitamin, there is NOT evidence to suggest that the proportion of adults who take a multivitamin is more than 58% because it acknowledges that the observed results are not significantly different from the original study. The correct answer is B.

In hypothesis testing, we typically set a significance level (e.g., 0.05) to determine if the evidence is statistically significant. If the p-value (the probability of obtaining results as extreme or more extreme than the observed results) is less than the significance level, we reject the null hypothesis.

Your question is incomplete but probably your full question was attached below

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Penelope selects an earring from a jewelry boxes the earrings color is gold. The colors of the remaining earrings are: 11 gold, 16 silver, and 13 black She randomly selects a second earring from the jewelry box. Is it likely that Penelope selects earrings of the same color?

Answers

No, it is not likely that Penelope selects earrings of the same color.

We have,

Gold Earrings= 11

Silver Earrings= 16

Black Earrings = 13

So, if she picked a earring already of any of the color.

Then, there is chance if she picked the second earring then the earring can be different or same.

Thus, No it is likely that Penelope selects earrings of the same color as there 50% chance of getting different earrings too.

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help please and thank youu

Answers

The statements that must be true based on the histogram are as follows:

A. The range of the data set is 50 min.

C. The most common amount of exercise is 0 to 9 min.

E. The distribution is skewed right.

How to determine the distribution

You can say that the distribution of a histogram is skewed right if the highest point in the distribution lies towards the left-hand side of the graph.

The graph above is an example of a distribution that is skewed right. Also, the range of the dataset is between 0 to 50 and the most common amount of exercise engaged in by the students is 0 to 9 min.

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en el siguiente triángulo empleando las propiedades del mismo ​

Answers

From the triangle, the values of α  , β and Ф are 97⁰, 45⁰ and 38⁰

How to determine the values?

Recall that the sum of angles of a straight line is 180 degrees and the sum of angles of a triangle is 180 degrees also.

using the given properties of a triangle and angles,

We have that Y + β - 180  ( sum of angles on a straight line)

where β = 135 degrees

Y = 180-135

Y = 45⁰

Also, using the same properties,

α + <EAC = 180 (sum of <s of a straight line)

α + 83 = 180

α = 97⁰

Ф = 180 - (97 + 45)

Ф = 180 -  142

Ф = 38⁰

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the regional transit authority for a major metropolitan area wants to determine whether there is a relationship between the age of a bus and the annual maintenance cost. a sample of ten buses resulted in the following data. click on the datafile logo to reference the data. age of bus (years) annual maintenance cost ($) 1 350 2 370 2 480 2 520 2 590 3 550 4 750 4 800 5 790 5 950 (a) choose a scatter chart below with age of bus as the independent variable. (i) (ii) (iii) (iv) - select your answer - what does the scatter chart indicate about the relationship between age of a bus and the annual maintenance cost? the scatter chart indicates there may be a - select your answer - linear relationship between age of bus and annual maintenance cost. older buses generally cost more to maintain, and this scatter chart is consistent with what is expected. (b) use the data to develop an estimated regression equation that could be used to predict the annual maintenance cost given the age of the bus. what is the estimated regression model? let x represent the age of the bus. if required, round your answers to two decimal places. for subtractive or negative numbers use a minus sign even if there is a sign before the blank. (example: -300)

Answers

As the age of the bus increases, the annual maintenance cost generally increases as well. Therefore, the estimated regression model is: y = a + bx = 883.5 + 253.17x where y is the annual maintenance cost and x is the age of the bus.

(a) The correct scatter chart is (i) which has age of bus as the independent variable. The scatter chart indicates there may be a linear relationship between age of bus and annual maintenance cost.

(b) To develop an estimated regression equation, we can use the following steps:

X = (1+2+2+2+2+3+4+4+5+5)/10 = 3

Y = (350+370+480+520+590+550+750+800+790+950)/10

= 643

Calculate the deviations of age of bus (x) and annual maintenance cost (y) from their respective means (X and Y).

x - X: -2, -1, -1, -1, -1, 0, 1, 1, 2, 2

y - Y: -293, -273, -163, -123, -53, -93, 107, 157, 147, 307

Calculate the sum of the product of the deviations of x and y.

∑[(x - X)(y - Y)] = (-2)(-293) + (-1)(-273) + (-1)(-163) + (-1)(-123) + (-1)(-53) + (0)(-93) + (1)(107) + (1)(157) + (2)(147) + (2)(307)

= 4,557

Calculate the sum of the squared deviations of x.

∑[(x - X)²] = (-2)² + (-1)² + (-1)² + (-1)² + (-1)² + 0² + 1² + 1² + 2² + 2²

= 18

Calculate the estimated slope of the regression line, b.

b = ∑[(x - X)(y - Y)] / ∑[(x - X)²]

= 4,557 / 18

= 253.17

Calculate the estimated intercept of the regression line, a.

a = Y - bX

= 643 - (253.17)(3)

= 883.5

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Consider the following system of equations.
y=6x² +1
y-x²+4
Which statement describes why the system has two solutions?
Each graph has one y-intercept, which is a solution.
O Each graph has one vertex, which is a solution.
The graphs of the equations intersect the x-axis at two places.
O The graphs of the equations intersect each other at two places.

Answers

Note that the system of graphs has two y-intersects hence the two solutions. Note tht in the graph there ar etwo parabolas.

What is a y-intercept?

A y-intercept, also known as a vertical intercept, is the location where the graph of a function or relation meets the coordinate system's y-axis. This is done in analytic geometry using the usual convention that the horizontal axis represents the variable x and the vertical axis the variable y. These points fulfill x = 0 because of this.

Replace x in the equation with 0 and then solve for y, keeping in mind that the y-intercept always has an associated x-value of 0. Finding the value of y at x=0 on a graph will reveal the y-intercept. The graph's intersection with the y-axis occurs at this location.

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Use a linear approximation (or differentials) to estimate the given number. (Round your answer to five decimal places.) 3√28

Answers

Using a linear approximation (or differentials) we estimate 3√28 is 3.11111.

To estimate the cube root of 28 using linear approximation, we first need to find a nearby perfect cube. In this case, the closest perfect cube is 27, since [tex]3^3[/tex] = 27.
Let's use the function f(x) = [tex]x^{(1/3)}[/tex]. We want to approximate f(28) using linear approximation. To do this, we will find the tangent line to f(x) at x=27, which will give us a good approximation for f(28).
First, find the derivative of f(x):
f'(x) = [tex](1/3)x^{(-2/3)}[/tex]
Now, evaluate the derivative at x=27:
f'(27) = [tex](1/3)(27)^{(-2/3)}[/tex] = [tex](1/3)(3^{(-2)})[/tex] = 1/9
Next, find the value of f(27):
f(27) = [tex]27^{(1/3)}[/tex] = 3
Now, we can find the equation of the tangent line at x=27:
y = f(27) + f'(27)(x - 27)
y = 3 + (1/9)(x - 27)
Finally, approximate f(28) by plugging x=28 into the tangent line equation:
y ≈ 3 + (1/9)(28 - 27)
y ≈ 3 + (1/9)(1)
y ≈ 3 + 1/9
y ≈ 3.11111
So, using linear approximation, we estimate that the cube root of 28 is approximately 3.11111, rounded to five decimal places.

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on average, a customer waits 8 minutes in a queue and the average interarrival time is 4 minutes. what is the average number of customers waiting according to the single-server queue model? (round to the nearest integer)

Answers

Since a negative value for the average number of customers waiting in the queue does not make sense, we can conclude that there are on average 0 customers waiting in the queue according to the single-server queue model (rounded to the nearest integer).

The average number of customers waiting according to the single-server queue model can be calculated using the formula Lq = (λ*Wq)/(1-ρ), where λ is the arrival rate, Wq is the average time spent waiting in the queue, and ρ is the utilization rate of the server (ρ = λ*service time).

Given that the average interarrival time is 4 minutes, the arrival rate λ can be calculated as λ = 1/4 = 0.25 customers per minute.

The average time spent waiting in the queue Wq is given as 8 minutes.

The service time can be calculated as the time spent in the system (waiting + service) minus the average waiting time, which is 8 minutes in this case. Let's assume the average service time is s minutes, then s = 8 + Wq = 8 + 8 = 16 minutes.

The utilization rate of the server ρ can be calculated as ρ = λ*s = 0.25*16 = 4.

Now, we can calculate the average number of customers waiting in the queue Lq as Lq = (λ*Wq)/(1-ρ) = (0.25*8)/(1-4) = -2 customers.

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The yearbook club had a meeting. The club has 21 people, and one-third of the club showed up for the meeting. How many people went to the meeting?
people

Answers

Answer:63

Step-by-step explanation:

Please help!!! I need to solve these

Answers

Using circle theorems, the indicated measures are:

1. m<Q = 55°      2. m<E = 39°    3. m(KN) = 190°    4. m<UTS = 69°

How to Apply Circle Theorems?

1. In the first problem, the circle theorem we would apply is the angle of intersecting tangents theorem, which is:

m<Q = 1/2(235 - (360 - 235)

m<Q = 55°

2. The circle theorem we would apply is the angle of intersecting secants theorem, which is:

m<E = 1/2(139 - 61)

m<E = 39°

3. Apply the angle of intersecting secant and tangent theorem, which is:

65 = 1/2(m(KN) - 60)

130 = m(KN) - 60

m(KN) = 130 + 60

m(KN) = 190°

4. The circle theorem to use is the angle of intersecting tangents theorem, which is:

11x - 8 = 1/2[(37x - 10) - (14x + 13)]

2(11x - 8) = 37x - 10 - 14x - 13

22x - 16 = 23x - 23

22x - 23x = 16 - 23

-x = -7

x = 7

m<UTS = 11x - 8 = 11(7) - 8

m<UTS = 69°

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What is the scale factor of the following

(5x, 5y -2)

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Answer: Factor 55 out of 5x5x.5(x)−5y5(x)-5yFactor 55 out of −5y-5y.5(x)+5(−y)5(x)+5(-y)Factor 55 out of 5(x)+5(−y)5(x)+5(-y).5(x−y)

Answer: 5.

Step-by-step explanation: Please give Brainlist.

Hope this helps!!!!

I can answer more questions if you want!!!!

The factor for 5x and 5y-2 is 1.

What are Factors?

An algebraic expression or number that divides another expression or number equally, leaving no remainder.

We have,

5x and 5y-2.

Now, factoriese the each term we get

5x = 5 . x

5y-2 = 5 . y - 2 . 1

As there is no common factor here.

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A pharmaceutical company is running tests to see how well its new drug lowers cholesterol. Twelve adults volunteer to participate in the study. The total cholesterol level of each participant (in mg/dL) is recorded once at the start of the study and then again after three months of taking the drug. The results are given in the following table. Construct a 99% confidence interval for the true mean difference between the cholesterol levels for people who take the new drug. Let Population 1 be the initial cholesterol level and Population 2 be the cholesterol level after three months. Round the endpoints of the interval to one decimal place, if necessary.
Total Cholesterol Levels (in mg/dL)
Initial Level Level after Three Months
214 188
186 210
182 199
200 209
210 207
204 195
187 203
210 191
190 190
182 211
215 199
198 181

Answers

We are given two sets of paired observations, which we will use to calculate the sample mean difference and the standard error of the mean difference:

Sample mean difference = x1 -x2 = (214+186+182+200+210+204+187+210+190+182+215+198)/12 - (188+210+199+209+207+195+203+191+190+211+199+181)/12 = 4.75

Sample standard deviation of the differences = s = √[(Σd²)/(n-1)] where d = (x1 - x2) - (x1 - x2), and n is the number of pairs.

d1 = (214 - 188) - 4.75 = 21.25

d2 = (186 - 210) - 4.75 = -28.75

d3 = (182 - 199) - 4.75 = -22.75

d4 = (200 - 209) - 4.75 = -9.75

d5 = (210 - 207) - 4.75 = -1.75

d6 = (204 - 195) - 4.75 = 3.25

d7 = (187 - 203) - 4.75 = -20.75

d8 = (210 - 191) - 4.75 = 13.25

d9 = (190 - 190) - 4.75 = -4.75

d10 = (182 - 211) - 4.75 = -28.75

d11 = (215 - 199) - 4.75 = 10.25

d12 = (198 - 181) - 4.75 = 12.25

Σd² = 1734.875

s = √(1734.875/11) = 5.076

Standard error of the mean difference = s/√n = 5.076/√12 = 1.469

Using a t-distribution with 11 degrees of freedom and a 99% confidence level (α = 0.01), we find the t-value to be 3.106. Therefore, the 99% confidence interval for the true mean difference between the cholesterol levels for people who take the new drug is:

(4.75 - 3.106(1.469), 4.75 + 3.106(1.469))

= (0.885, 8.615)

So we are 99% confident that the true mean difference between the cholesterol levels for people who take the new drug lies between 0.885 and 8.615 mg/dL.

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